Home / 26,876.88-36,966.80-21,560.04

Finding the Fourth Proportional to 26,876.88, 36,966.80 and 21,560.04

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Solution

The fourth proportional to 26,876.88, 36,966.80 and 21,560.04 is: 29,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.88 : 36,966.80 = 21,560.04 : x
  2. Step 2: Convert to fraction form
    26,876.88/36,966.80 = 21,560.04/x
  3. Step 3: Cross multiply
    26,876.88x = 36,966.80 × 21,560.04
  4. Step 4: Simplify right side
    26,876.88x = 797,005,686.67
  5. Step 5: Solve for x
    x = 797,005,686.67/26,876.88
  6. Step 6: Final answer
    x = 29,653.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.